NL1024859C2 - Werkwijzen en inrichting voor het verwerven van perfusiegegevens. - Google Patents
Werkwijzen en inrichting voor het verwerven van perfusiegegevens. Download PDFInfo
- Publication number
- NL1024859C2 NL1024859C2 NL1024859A NL1024859A NL1024859C2 NL 1024859 C2 NL1024859 C2 NL 1024859C2 NL 1024859 A NL1024859 A NL 1024859A NL 1024859 A NL1024859 A NL 1024859A NL 1024859 C2 NL1024859 C2 NL 1024859C2
- Authority
- NL
- Netherlands
- Prior art keywords
- image
- energy
- contrast agent
- amount
- computer
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 27
- 230000010412 perfusion Effects 0.000 title description 15
- 238000002591 computed tomography Methods 0.000 claims description 58
- 239000002872 contrast media Substances 0.000 claims description 47
- 239000000463 material Substances 0.000 claims description 25
- 238000004422 calculation algorithm Methods 0.000 claims description 21
- 230000005855 radiation Effects 0.000 claims description 14
- 238000000354 decomposition reaction Methods 0.000 claims description 8
- 210000004204 blood vessel Anatomy 0.000 claims 3
- 238000003384 imaging method Methods 0.000 description 14
- 210000001519 tissue Anatomy 0.000 description 9
- 238000005259 measurement Methods 0.000 description 7
- 238000002083 X-ray spectrum Methods 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 210000000988 bone and bone Anatomy 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000003727 cerebral blood flow Effects 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 3
- 238000013170 computed tomography imaging Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 238000002059 diagnostic imaging Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- -1 Gd-DTPA Chemical compound 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- HZHFFEYYPYZMNU-UHFFFAOYSA-K gadodiamide Chemical compound [Gd+3].CNC(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CCN(CC([O-])=O)CC(=O)NC HZHFFEYYPYZMNU-UHFFFAOYSA-K 0.000 description 1
- 229960005063 gadodiamide Drugs 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- XQZXYNRDCRIARQ-LURJTMIESA-N iopamidol Chemical compound C[C@H](O)C(=O)NC1=C(I)C(C(=O)NC(CO)CO)=C(I)C(C(=O)NC(CO)CO)=C1I XQZXYNRDCRIARQ-LURJTMIESA-N 0.000 description 1
- 229960004647 iopamidol Drugs 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002107 myocardial effect Effects 0.000 description 1
- 229960003330 pentetic acid Drugs 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/48—Diagnostic techniques
- A61B6/481—Diagnostic techniques involving the use of contrast agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/405—Source units specially adapted to modify characteristics of the beam during the data acquisition process
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4241—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/48—Diagnostic techniques
- A61B6/482—Diagnostic techniques involving multiple energy imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/504—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of blood vessels, e.g. by angiography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/507—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for determination of haemodynamic parameters, e.g. perfusion CT
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/306,637 US6891918B2 (en) | 2002-11-27 | 2002-11-27 | Methods and apparatus for acquiring perfusion data |
| US30663702 | 2002-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL1024859A1 NL1024859A1 (nl) | 2004-05-28 |
| NL1024859C2 true NL1024859C2 (nl) | 2005-07-27 |
Family
ID=32312197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL1024859A NL1024859C2 (nl) | 2002-11-27 | 2003-11-24 | Werkwijzen en inrichting voor het verwerven van perfusiegegevens. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6891918B2 (ja) |
| JP (1) | JP4491222B2 (ja) |
| CN (1) | CN1271972C (ja) |
| DE (1) | DE10355383A1 (ja) |
| NL (1) | NL1024859C2 (ja) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6836528B2 (en) * | 2002-07-23 | 2004-12-28 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for detecting structural, perfusion, and functional abnormalities |
| US20040101088A1 (en) * | 2002-11-27 | 2004-05-27 | Sabol John Michael | Methods and apparatus for discriminating multiple contrast agents |
| US7272429B2 (en) * | 2002-11-27 | 2007-09-18 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for facilitating a reduction in artifacts |
| DE10335663A1 (de) * | 2003-08-04 | 2005-03-10 | Siemens Ag | Verfahren zur automatischen Kalibrierung von Perfusionsparameterbildern |
| US7672431B2 (en) * | 2003-10-10 | 2010-03-02 | Bayer Schering Pharma Aktiengesellschaft | X-ray arrangement and x-ray contrast process for imaging an object under examination that contains at least one radiopaque element as well as use of the x-ray arrangement |
| JP4795694B2 (ja) * | 2004-06-11 | 2011-10-19 | 株式会社東芝 | Ｘ線ｃｔ装置および心筋パーフュージョン像生成システム |
| US7853309B2 (en) * | 2005-03-10 | 2010-12-14 | Toshiba Medical Systems Corporation | X-ray CT apparatus and myocardial perfusion image generating system |
| JP5042465B2 (ja) * | 2005-05-18 | 2012-10-03 | 株式会社日立メディコ | 放射線撮影装置、画像処理方法 |
| JP5058517B2 (ja) | 2005-06-14 | 2012-10-24 | キヤノン株式会社 | 放射線撮像装置及びその制御方法並びに放射線撮像システム |
| US7466793B2 (en) * | 2006-10-26 | 2008-12-16 | General Electric Company | Distinct incident energy spectra detection |
| CN101547648B (zh) * | 2006-12-04 | 2012-02-22 | 皇家飞利浦电子股份有限公司 | Ct成像系统 |
| US7756239B2 (en) * | 2006-12-07 | 2010-07-13 | General Electric Company | Diagnostic imaging two non K-edge basis materials plus N K-edge contrast agents |
| DE102007001181B4 (de) * | 2007-01-05 | 2013-06-13 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Bildgebung |
| US7813478B2 (en) * | 2007-02-08 | 2010-10-12 | Varian Medical Systems, Inc. | Method and apparatus to facilitate provision and use of multiple X-ray sources |
| JP5371758B2 (ja) * | 2007-08-06 | 2013-12-18 | 株式会社日立メディコ | Ｘ線ｃｔ装置 |
| US20090129539A1 (en) * | 2007-11-21 | 2009-05-21 | General Electric Company | Computed tomography method and system |
| US9070181B2 (en) * | 2007-12-21 | 2015-06-30 | General Electric Company | System and method for extracting features of interest from an image |
| JP5042887B2 (ja) * | 2008-03-06 | 2012-10-03 | 富士フイルム株式会社 | 放射線画像撮影装置 |
| US8194961B2 (en) * | 2008-04-21 | 2012-06-05 | Kabushiki Kaisha Toshiba | Method, apparatus, and computer-readable medium for pre-reconstruction decomposition and calibration in dual energy computed tomography |
| JP5322548B2 (ja) * | 2008-09-17 | 2013-10-23 | 株式会社東芝 | Ｘ線ｃｔ装置、医用画像処理装置および医用画像処理プログラム |
| DE102009043213A1 (de) * | 2009-09-28 | 2011-03-31 | Siemens Aktiengesellschaft | Effiziente Korrektur von Polychromieeffekten bei der Bildrekonstruktion |
| KR101669434B1 (ko) * | 2010-01-06 | 2016-10-27 | 삼성전자주식회사 | 멀티-에너지 Ｘ－ｒａｙ 영상 처리 방법 및 그 시스템 |
| DE102010027227B4 (de) * | 2010-07-15 | 2016-10-20 | Siemens Healthcare Gmbh | Verfahren und Computertomographiegerät zur Durchführung einer angiographischen Untersuchung |
| TWI429419B (zh) * | 2010-11-15 | 2014-03-11 | Univ Nat Central | 產生骨罩之方法 |
| US9271688B2 (en) | 2012-03-28 | 2016-03-01 | General Electric Company | System and method for contrast agent estimation in X-ray imaging |
| EP2844147B1 (en) * | 2012-05-02 | 2018-06-20 | Koninklijke Philips N.V. | Spectral ct visualization of imageable drug eluting beads |
| CN104519794B (zh) * | 2012-08-06 | 2018-05-22 | 皇家飞利浦有限公司 | 基于动态对比增强成像的渗透率度量 |
| DE102012217301B4 (de) * | 2012-09-25 | 2021-10-14 | Bayer Pharma Aktiengesellschaft | Kombination aus Kontrastmittel und Mammographie-CT-System mit vorgegebenem Energiebereich und Verfahren zur Erzeugung tomographischer Mammographie-CT-Aufnahmen durch diese Kombination |
| EP2934318B1 (en) | 2012-12-19 | 2020-05-13 | Koninklijke Philips N.V. | X-ray controlled contrast agent injection |
| CN106413559B (zh) * | 2014-04-16 | 2019-11-19 | 美国西门子医疗解决公司 | 使用对比剂组合的光子计数计算机断层扫描术 |
| US9517042B2 (en) * | 2014-09-12 | 2016-12-13 | General Electric Company | Systems and methods for imaging phase selection for computed tomography imaging |
| CN104688259B (zh) * | 2015-02-16 | 2018-01-09 | 袁小东 | Ct扫描灌注方法及装置 |
| CN105686845A (zh) * | 2016-01-13 | 2016-06-22 | 启东市人民医院 | 一种主动脉mscta图像最佳对比剂用量的试验方法 |
| CN105513084A (zh) * | 2016-01-13 | 2016-04-20 | 启东市人民医院 | 一种多层螺旋ct肺动脉成像中固定对比剂剂量的试验方法 |
| US20190239842A1 (en) * | 2016-07-06 | 2019-08-08 | Koninklijke Philips N.V. | System for providing images for endoleak detection |
| JP7357060B2 (ja) * | 2019-02-06 | 2023-10-05 | ウィリアム イー バトラー， | 血管造影の改善された方法 |
| CA3126986A1 (en) | 2019-02-06 | 2020-08-13 | William E. Butler | Spatiotemporal reconstruction of a moving vascular pulse wave from a plurality of lower dimensional angiographic projections |
| WO2020198592A1 (en) | 2019-03-27 | 2020-10-01 | Butler William E | Reconstructing cardiac frequency phenomena in angiographic data |
| EP3946030A4 (en) | 2019-04-04 | 2022-12-28 | William E. Butler | OPTICAL CROSS-CORELATED WAVELET ANGIOGRAPHY WITH INTRINSIC CONTRAST |
| US11564648B2 (en) | 2019-11-01 | 2023-01-31 | GE Precision Healthcare LLC | Methods and systems for an adaptive multi-phase angiography scan |
| US11341636B2 (en) | 2019-11-01 | 2022-05-24 | GE Precision Healthcare LLC | Methods and systems for an adaptive five-zone perfusion scan |
| US11179127B2 (en) | 2019-11-01 | 2021-11-23 | GE Precision Healthcare LLC | Methods and systems for a single-bolus angiography and perfusion scan |
| US12059546B2 (en) | 2019-11-01 | 2024-08-13 | GE Precision Healthcare LLC | Methods and systems for adaptive timing of a second contrast bolus |
| US11350896B2 (en) | 2019-11-01 | 2022-06-07 | GE Precision Healthcare LLC | Methods and systems for an adaptive four-zone perfusion scan |
| US11690950B2 (en) | 2019-11-01 | 2023-07-04 | GE Precision Healthcare LLC | Methods and systems for timing a second contrast bolus |
| US11523792B2 (en) | 2019-11-01 | 2022-12-13 | GE Precision Healthcare LLC | Methods and systems for an adaptive multi-zone perfusion scan |
| US11452490B2 (en) | 2019-11-27 | 2022-09-27 | GE Precision Healthcare LLC | Methods and systems for an adaptive perfusion scan |
| USD965614S1 (en) | 2019-11-27 | 2022-10-04 | GE Precision Healthcare LLC | Display screen or portion thereof with graphical user interface |
| US11399787B2 (en) | 2019-11-27 | 2022-08-02 | GE Precision Healthcare LLC | Methods and systems for controlling an adaptive contrast scan |
| USD973077S1 (en) | 2020-09-02 | 2022-12-20 | GE Precision Healthcare LLC | Display screen or portion thereof with graphical user interface |
| US11963815B2 (en) | 2020-09-02 | 2024-04-23 | GE Precision Healthcare LLC | Methods and systems for an adaptive contrast scan |
| US11992353B2 (en) | 2020-09-02 | 2024-05-28 | GE Precision Healthcare LLC | Methods and systems for an adaptive multi-phase angiography scan |
| US11786201B1 (en) * | 2022-06-14 | 2023-10-17 | Curvebeam Ai Limited | Method and system for material decomposition in dual- or multiple-energy x-ray based imaging |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4780897A (en) * | 1986-05-06 | 1988-10-25 | General Electric Company | Dual energy imaging with kinestatic charge detector |
| US4887604A (en) * | 1988-05-16 | 1989-12-19 | Science Research Laboratory, Inc. | Apparatus for performing dual energy medical imaging |
Family Cites Families (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4029963A (en) * | 1976-07-30 | 1977-06-14 | The Board Of Trustees Of Leland Stanford Junior University | X-ray spectral decomposition imaging system |
| US4686695A (en) * | 1979-02-05 | 1987-08-11 | Board Of Trustees Of The Leland Stanford Junior University | Scanned x-ray selective imaging system |
| GB2076250A (en) * | 1980-05-19 | 1981-11-25 | American Science & Eng Inc | Mechanical X-ray scanning |
| NL8003354A (nl) * | 1980-06-09 | 1982-01-04 | Philips Nv | Stralingsonderzoekapparaat met beeldsubtractie. |
| US4361901A (en) * | 1980-11-18 | 1982-11-30 | General Electric Company | Multiple voltage x-ray switching system |
| US4445226A (en) * | 1981-05-05 | 1984-04-24 | The Board Of Trustees Of The Leland Stanford Junior University | Multiple-energy X-ray subtraction imaging system |
| US4611341A (en) * | 1981-05-05 | 1986-09-09 | The Board Of Trustees Of The Leland Stanford Junior University | Multiple-energy x-ray substraction imaging system |
| US4626688A (en) * | 1982-11-26 | 1986-12-02 | Barnes Gary T | Split energy level radiation detection |
| US5115394A (en) * | 1983-11-25 | 1992-05-19 | Technicare Corporation | Dual energy computerized tomography system |
| US4662379A (en) * | 1984-12-20 | 1987-05-05 | Stanford University | Coronary artery imaging system using gated tomosynthesis |
| JPS61220628A (ja) * | 1985-03-28 | 1986-09-30 | 株式会社 日立メデイコ | Ｘ線動態像計測装置 |
| DE3517101C1 (de) * | 1985-05-11 | 1986-10-09 | Deutsches Elektronen-Synchrotron Desy, 2000 Hamburg | Vorrichtung zur digitalen Subtraktions-Angiographie im Energiesubstraktions-Modus |
| US4963746A (en) * | 1986-11-25 | 1990-10-16 | Picker International, Inc. | Split energy level radiation detection |
| FR2656109B1 (fr) * | 1989-12-14 | 1992-02-28 | Gen Electric Cgr | Procede de calibration de la chaine de mesure d'un appareil a rayons x. |
| JPH04200537A (ja) * | 1990-11-30 | 1992-07-21 | Hitachi Ltd | Ｘ線断層撮影装置 |
| US5247559A (en) * | 1991-10-04 | 1993-09-21 | Matsushita Electric Industrial Co., Ltd. | Substance quantitative analysis method |
| US5253282A (en) * | 1992-04-27 | 1993-10-12 | Lunar Corporation | System for selective material imaging |
| US5665971A (en) * | 1993-04-12 | 1997-09-09 | Massachusetts Institute Of Technology | Radiation detection and tomography |
| JP3449561B2 (ja) * | 1993-04-19 | 2003-09-22 | 東芝医用システムエンジニアリング株式会社 | Ｘ線ｃｔ装置 |
| US5459769A (en) * | 1994-11-09 | 1995-10-17 | General Electric Company | Procedure for monitoring contrast agent application in a CT imaging system |
| US7110587B1 (en) * | 1995-05-31 | 2006-09-19 | Ge Medical Systems Israel Ltd. | Registration of nuclear medicine images |
| US6018562A (en) * | 1995-11-13 | 2000-01-25 | The United States Of America As Represented By The Secretary Of The Army | Apparatus and method for automatic recognition of concealed objects using multiple energy computed tomography |
| US5689115A (en) * | 1995-11-24 | 1997-11-18 | Elscint Ltd. | Advanced nuclear medicine system |
| US5661774A (en) * | 1996-06-27 | 1997-08-26 | Analogic Corporation | Dual energy power supply |
| DE19758363C2 (de) * | 1997-12-22 | 2002-04-18 | Deutsches Elektronen Synchr | Anordnung zur digitalen Subtraktionsangiographie |
| WO1999045371A1 (en) * | 1998-03-02 | 1999-09-10 | Image Anaylsis, Inc. | Automated x-ray bone densitometer |
| DE19811349C1 (de) * | 1998-03-16 | 1999-10-07 | Siemens Ag | Verfahren zur Kontrastmittelverfolgung mittels eines bildgebenden medizinischen Geräts und Steuervorrichtung zur Durchführung des Verfahrens |
| US6236709B1 (en) * | 1998-05-04 | 2001-05-22 | Ensco, Inc. | Continuous high speed tomographic imaging system and method |
| US6335961B1 (en) * | 1998-10-06 | 2002-01-01 | Siemens Medical Systems, Inc. | Integrated high definition intensity multileaf collimator system which provides improved conformal radiation therapy while minimizing leakage |
| US6278760B1 (en) * | 1998-11-13 | 2001-08-21 | Fuji Photo Film Co., Ltd. | Radiation image forming method and apparatus |
| US6185272B1 (en) * | 1999-03-15 | 2001-02-06 | Analogic Corporation | Architecture for CT scanning system |
| EP1101198A1 (en) * | 1999-06-04 | 2001-05-23 | Koninklijke Philips Electronics N.V. | A method and apparatus for three-dimensional image-rendering |
| US6285740B1 (en) * | 1999-10-13 | 2001-09-04 | The United States Of America As Represented By The Secretary Of The Navy | Dual energy x-ray densitometry apparatus and method using single x-ray pulse |
| US6418189B1 (en) * | 2000-01-24 | 2002-07-09 | Analogic Corporation | Explosive material detection apparatus and method using dual energy information of a scan |
| US6343111B1 (en) * | 2000-09-07 | 2002-01-29 | General Electric Company | Dual energy decomposition using automatically determined cancellation parameters |
| US6507633B1 (en) * | 2001-02-15 | 2003-01-14 | The Regents Of The University Of Michigan | Method for statistically reconstructing a polyenergetic X-ray computed tomography image and image reconstructor apparatus utilizing the method |
| US6373920B1 (en) * | 2001-03-16 | 2002-04-16 | Ge Medical Systems Global Technology Company, Llc | Method and apparatus for acquiring CT perfusion images |
| US6624425B2 (en) * | 2001-05-03 | 2003-09-23 | Bio-Imaging Research, Inc. | Waste inspection tomography and non-destructive assay |
| US6560315B1 (en) * | 2002-05-10 | 2003-05-06 | Ge Medical Systems Global Technology Company, Llc | Thin rotating plate target for X-ray tube |
| US6922462B2 (en) * | 2002-07-31 | 2005-07-26 | Ge Medical Systems Global Technology Company, Llc | Method, system and computer product for plaque characterization |
-
2002
- 2002-11-27 US US10/306,637 patent/US6891918B2/en not_active Expired - Lifetime
-
2003
- 2003-11-24 NL NL1024859A patent/NL1024859C2/nl not_active IP Right Cessation
- 2003-11-25 DE DE10355383A patent/DE10355383A1/de not_active Withdrawn
- 2003-11-27 JP JP2003396589A patent/JP4491222B2/ja not_active Expired - Lifetime
- 2003-11-27 CN CN200310119637.4A patent/CN1271972C/zh not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4780897A (en) * | 1986-05-06 | 1988-10-25 | General Electric Company | Dual energy imaging with kinestatic charge detector |
| US4887604A (en) * | 1988-05-16 | 1989-12-19 | Science Research Laboratory, Inc. | Apparatus for performing dual energy medical imaging |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004174262A (ja) | 2004-06-24 |
| CN1271972C (zh) | 2006-08-30 |
| US20040101090A1 (en) | 2004-05-27 |
| DE10355383A1 (de) | 2004-06-09 |
| CN1517071A (zh) | 2004-08-04 |
| US6891918B2 (en) | 2005-05-10 |
| JP4491222B2 (ja) | 2010-06-30 |
| NL1024859A1 (nl) | 2004-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NL1024859C2 (nl) | Werkwijzen en inrichting voor het verwerven van perfusiegegevens. | |
| JP4347672B2 (ja) | 構造、灌流及び機能に関する異常を検出する方法及び装置 | |
| NL1024855C2 (nl) | Werkwijze en inrichting voor zacht-weefselvolumevisualisatie. | |
| NL1024856C2 (nl) | Werkwijze en inrichting voor het kwantificeren van het vetgehalte van weefsel. | |
| US7031426B2 (en) | Methods and system for detecting components of plaque | |
| US7236559B2 (en) | Dual energy scanning protocols for motion mitigation and material differentiation | |
| US6765983B2 (en) | Method and apparatus for imaging a region of dynamic tissue | |
| US8055050B2 (en) | Motion compensation in energy-sensitive computed tomography | |
| US20040101088A1 (en) | Methods and apparatus for discriminating multiple contrast agents | |
| JP4436658B2 (ja) | ボリューム灌流を計算するための方法及び装置 | |
| JP5571317B2 (ja) | マルチ・モダリティ撮像データを補正する方法 | |
| US20080260092A1 (en) | X-ray tomographic imaging apparatus | |
| WO2017193122A1 (en) | System and method for controlling noise in multi-energy computed tomography images based on spatio-spectral information | |
| JP2005211655A (ja) | 断層撮影装置による画像データの取得および評価方法 | |
| JP2004174264A (ja) | 計算機式断層写真法（ｃｔ）スカウト画像を形成する方法及び装置 | |
| CN102236903A (zh) | 通过迭代的图像重建在ct拍摄中提高时间分辨率 | |
| CN111615364A (zh) | 造影增强扫描期间的扫描参数调整 | |
| US20050018889A1 (en) | Systems and methods for filtering images | |
| US6931094B2 (en) | Methods and systems for smoothing | |
| JP2024048198A (ja) | Ｘ線ｃｔ装置及び方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AD1A | A request for search or an international type search has been filed | ||
| RD2N | Patents in respect of which a decision has been taken or a report has been made (novelty report) |
Effective date: 20050321 |
|
| PD2B | A search report has been drawn up | ||
| V1 | Lapsed because of non-payment of the annual fee |
Effective date: 20150601 |